1. Assume that gasoline costs $3.75 per gallon (gal).
   a. Calculate the cost of gasoline per mile if you drove Car A.
   b. Calculate the cost of gasoline per mile if you drove Car B.
   c. How much money will you save on gasoline in one year if you buy Car A?
   (HINT: 3000 miles)
   3. Burning one gallon of gasoline in a car releases approximately 20 pounds of CO2 into
   the atmosphere. You plan on driving whichever car you buy for 120,000
   miles. Over
   the course of the 120,000 miles, how many fewer pounds of CO2
   are released by
   Car
   A than by Car B?
   4. Which car is better for the environment? Which car is more cost-efficient at the gas
   pump? Explain.